Fermat elv, Snellius-Descartes törvény
Fermat elv, Snellius-Descartes törvény
Fermat elv, Snellius-Descartes törvény
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mechatronika szak.<br />
OPTIKA –<br />
Legkisebb idı <strong>Fermat</strong> <strong>elv</strong>e<br />
Geometriai optika 1.<br />
A keresett x érték:<br />
X = 269 cm,<br />
Ekkor t min = 49,4956 perc<br />
t(x)<br />
=<br />
2<br />
200 + x<br />
20<br />
2<br />
+<br />
( 400 − x)<br />
10<br />
2<br />
+ 300<br />
2<br />
Seres István 14 http://fft.szie.hu